radiator

During the winter, we keep a wet towel on the radiator to add moisture to the air.

(Chinese) 冬天，我们在暖气片上放一条湿毛巾以增加空气湿度。

The bedroom felt cold because the radiator was broken and needed to be bled.

(Chinese) 卧室里感觉很冷，因为散热器坏了，需要放气。